Abstract: In rotary vector (RV) reducers, both the planet gears and cycloidal gears are mounted on the crankshafts and rotated at the same speed. As a result, the rotational order/frequency of the ...
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Why RMS Lusitania shook herself apart at speed, propeller wakes, hull resonance, and a liner built for war
RMS Lusitania looked like the glamorous future of Atlantic travel, but at high speed her stern could vibrate so violently that key spaces became unusable. This breaks down the propeller wake ...
Add Yahoo as a preferred source to see more of our stories on Google. Image Credit: PH2 Inks - Public Domain/Wiki Commons. In the aftermath of World War I, the U.S. Navy took a bold step by converting ...
Tangipa opened by honoring the late Congressman Doug LaMalfa, a fourth-generation rice farmer and longtime advocate for Northern California agriculture. Tangipa described LaMalfa as a close friend and ...
The chairman of the Joint Chiefs of Staff claimed that 150 aircraft of six types, plus drones, had taken part in the abduction of Venezuelan dictator Nicolas Maduro. Chairman of the Joint Chiefs ...
Abstract: To address the challenges in achieving plug-and-play functionality for tiltrotor aircraft, this article proposes a novel coaxial dual-propeller omnidirectional architecture that redefines ...
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